Editorial: Remove the note on @@unscopables and [Global] interfaces

index.bs

@@ -11510,10 +11510,6 @@ with the [{{LegacyNoInterfaceObject}}] [=extended attribute=].
     1.  Otherwise, set |interfaceProtoObj| to [$OrdinaryObjectCreate$](|proto|).
     1.  If |interface| has any [=member=] declared with the [{{Unscopable}}] [=extended attribute=],
         then:
-
-        Issue: Should an {{@@unscopables}} property also be defined if |interface| is
-        declared with the [{{Global}}] [=extended attribute=]?
-        This is discussed in <a href="https://github.com/whatwg/webidl/issues/544">issue #544</a>.
         1.  Let |unscopableObject| be [$OrdinaryObjectCreate$](<emu-val>null</emu-val>).
         1.  [=list/For each=] [=exposed=] [=member=] |member| of |interface|
             that is declared with the [{{Unscopable}}] [=extended attribute=]: